orderer vs organiser

orderer and organiser both are nouns.

Word	Noun	Adjective	Verb	Adverb
orderer	Yes	No	No	No
organiser	Yes	No	No	No

As nouns, organiser is a hypernym of orderer; that is, organiser is a word with a broader meaning than orderer:

Other hypernyms of orderer include arranger, organizer.

orderer (noun)	organiser (noun)
an organizer who puts things in order	a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc.
someone who places an order to buy	a person who brings order and organization to an enterprise
	someone who enlists workers to join a union